bluetooth_helper_selinuxSELinux Policy bluetooth_hebluetooth_helper_selinux(8)

NAME bluetooth_helper_selinux - Security Enhanced Linux Policy for the blue- tooth_helper processes

DESCRIPTION Security-Enhanced Linux secures the bluetooth_helper processes via flexible mandatory access control.

The bluetooth_helper processes execute with the bluetooth_helper_t SELinux type. You can check if you have these processes running by exe- cuting the ps command with the -Z qualifier.

For example:

ps -eZ | grep bluetooth_helper_t

ENTRYPOINTS The bluetooth_helper_t SELinux type can be entered via the blue- tooth_helper_exec_t file type.

The default entrypoint paths for the bluetooth_helper_t domain are the following:

/usr/bin/blue.*pin

PROCESS TYPES SELinux defines process types (domains) for each process running on the system

You can see the context of a process using the -Z option to ps

Policy governs the access confined processes have to files. SELinux bluetooth_helper policy is very flexible allowing users to setup their bluetooth_helper processes in as secure a method as possible.

The following process types are defined for bluetooth_helper:

bluetooth_helper_t

Note: semanage permissive -a bluetooth_helper_t can be used to make the process type bluetooth_helper_t permissive. SELinux does not deny access to permissive process types, but the AVC (SELinux denials) mes- sages are still generated.

BOOLEANS SELinux policy is customizable based on least access required. blue- tooth_helper policy is extremely flexible and has several booleans that allow you to manipulate the policy and run bluetooth_helper with the tightest access possible.

If you want to allow all domains to use other domains file descriptors, you must turn on the allow_domain_fd_use boolean. Enabled by default.

setsebool -P allow_domain_fd_use 1

If you want to allow sysadm to debug or ptrace all processes, you must turn on the allow_ptrace boolean. Disabled by default.

setsebool -P allow_ptrace 1

If you want to allows clients to write to the X server shared memory segments, you must turn on the allow_write_xshm boolean. Disabled by default.

setsebool -P allow_write_xshm 1

If you want to allow all domains to have the kernel load modules, you must turn on the domain_kernel_load_modules boolean. Disabled by default.

setsebool -P domain_kernel_load_modules 1

If you want to allow all domains to execute in fips_mode, you must turn on the fips_mode boolean. Enabled by default.

setsebool -P fips_mode 1

If you want to enable reading of urandom for all domains, you must turn on the global_ssp boolean. Disabled by default.

setsebool -P global_ssp 1

If you want to support NFS home directories, you must turn on the use_nfs_home_dirs boolean. Disabled by default.

setsebool -P use_nfs_home_dirs 1

If you want to support SAMBA home directories, you must turn on the use_samba_home_dirs boolean. Disabled by default.

setsebool -P use_samba_home_dirs 1

If you want to support X userspace object manager, you must turn on the xserver_object_manager boolean. Disabled by default.

setsebool -P xserver_object_manager 1

MANAGED FILES The SELinux process type bluetooth_helper_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions.

bluetooth_helper_tmp_t

bluetooth_helper_tmpfs_t

user_fonts_cache_t

/home/[^/]*/.fontconfig(/.*)? /home/[^/]*/.fonts/auto(/.*)? /home/[^/]*/.fonts.cache-.* /home/xguest/.fontconfig(/.*)? /home/xguest/.fonts/auto(/.*)? /home/xguest/.fonts.cache-.*

xserver_tmpfs_t

FILE CONTEXTS SELinux requires files to have an extended attribute to define the file type.

You can see the context of a file using the -Z option to ls

Policy governs the access confined processes have to these files. SELinux bluetooth_helper policy is very flexible allowing users to setup their bluetooth_helper processes in as secure a method as possi- ble.

STANDARD FILE CONTEXT

SELinux defines the file context types for the bluetooth_helper, if you wanted to store files with these types in a diffent paths, you need to execute the semanage command to sepecify alternate labeling and then use restorecon to put the labels on disk.

semanage fcontext -a -t bluetooth_helper_exec_t /srv/blue- tooth_helper/content(/.*)? restorecon -R -v /srv/mybluetooth_helper_content

Note: SELinux often uses regular expressions to specify labels that match multiple files.

The following file types are defined for bluetooth_helper:

bluetooth_helper_exec_t

- Set files with the bluetooth_helper_exec_t type, if you want to tran- sition an executable to the bluetooth_helper_t domain.

bluetooth_helper_tmp_t

- Set files with the bluetooth_helper_tmp_t type, if you want to store bluetooth helper temporary files in the /tmp directories.

bluetooth_helper_tmpfs_t

- Set files with the bluetooth_helper_tmpfs_t type, if you want to store bluetooth helper files on a tmpfs file system.

Note: File context can be temporarily modified with the chcon command. If you want to permanently change the file context you need to use the semanage fcontext command. This will modify the SELinux labeling database. You will need to use restorecon to apply the labels.

COMMANDS semanage fcontext can also be used to manipulate default file context mappings.

semanage permissive can also be used to manipulate whether or not a process type is permissive.

semanage module can also be used to enable/disable/install/remove pol- icy modules.

semanage boolean can also be used to manipulate the booleans

system-config-selinux is a GUI tool available to customize SELinux pol- icy settings.

AUTHOR This manual page was auto-generated using sepolicy manpage .

SEE ALSO selinux(8), bluetooth_helper(8), semanage(8), restorecon(8), chcon(1) , setsebool(8)

bluetooth_helper 13-09-27 bluetooth_helper_selinux(8)